Solar Demon Dimming Detection (qlk)

Quick-look! running in real time on SDO/AIA 211 QLK data
3 minute cadence, typical delay 15 minutes
(detection version 1.00)

(view all Solar Demon detection tools)

	Overview of dimming 15499
Detector 24h operating status: Last processed image: 0 hours and 24 minutes ago (2026-05-03 09:21 UTC) Last detected dimming: 0 hours and 42 minutes ago (2026-05-03 09:03 UTC) Overview for dimming #: 15499 back to overview Animations and graphs derotated original images ( non-derotated ) dimming intensity dimming mask base difference ( percentage ) running difference ( percentage )	more	more	more

Details for dimming #: 15499
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-26 16:57:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3744321

2026-04-26 17:00:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3744324

2026-04-26 17:03:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3744325

2026-04-26 17:06:11 4 0.0 0.0 0.0 0.0 0 , 1.11 3744329

2026-04-26 17:09:11 5 0.0 0.0 0.0 0.0 0 , 1.64 3744330

2026-04-26 17:12:11 6 -0.1 0.0 -29.0 0.0 5 , 7.38 3744332

2026-04-26 17:15:11 7 -0.2 0.0 -45.3 0.0 4 , 2.37 3744333

2026-04-26 17:18:11 8 -1.2 -9.2 -57.2 0.1 20 , 1.50 3744336

2026-04-26 17:21:11 9 -2.7 -24.8 -57.2 0.1 44 , 2.61 3744337

2026-04-26 17:24:11 10 -3.2 -25.2 -59.5 0.2 55 , 1.89 3744340

2026-04-26 17:27:11 11 -4.7 -41.5 -56.5 0.3 92 10.4 14.5 0.25, 0.26 0.36 1.04 3744341

2026-04-26 17:30:11 12 -5.3 -48.2 -58.9 0.3 102 , 0.00 3744344

2026-04-26 17:33:11 13 -5.8 -48.3 -73.7 0.3 93 , 0.00 3744345

2026-04-26 17:36:11 14 -5.7 -51.6 -84.3 0.3 83 , 0.00 3744348

2026-04-26 17:39:11 15 -4.8 -43.9 -94.8 0.2 56 , 0.00 3744349

2026-04-26 17:42:11 16 -11.5 -89.3 -106.5 0.3 83 , 0.00 3744352

2026-04-26 17:45:11 17 -15.0 -119.5 -109.0 0.3 99 , 0.00 3744353

The research leading to these results has received funding from the European Commission's Seventh Framework Programme (FP7/2007-2013) under the grant agreement nr. 263506 [AFFECTS], and grant agreement nr. 263252 [COMESEP]
Solar Demon is still under construction.
( Legal notices - SWSC (Volume 5, A18, 2015) research article:Solar Demon - an approach to detecting flares, dimmings, and EUV waves on SDO/AIA images )

time	seq #	total intensity	max intensity	median intensity	area	size	lat	lon	x,y in R☉	dist. R☉	detection	Img ID
2026-04-26 16:57:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3744321
2026-04-26 17:00:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3744324
2026-04-26 17:03:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3744325
2026-04-26 17:06:11	4	0.0	0.0	0.0	0.0	0			,		1.11	3744329
2026-04-26 17:09:11	5	0.0	0.0	0.0	0.0	0			,		1.64	3744330
2026-04-26 17:12:11	6	-0.1	0.0	-29.0	0.0	5			,		7.38	3744332
2026-04-26 17:15:11	7	-0.2	0.0	-45.3	0.0	4			,		2.37	3744333
2026-04-26 17:18:11	8	-1.2	-9.2	-57.2	0.1	20			,		1.50	3744336
2026-04-26 17:21:11	9	-2.7	-24.8	-57.2	0.1	44			,		2.61	3744337
2026-04-26 17:24:11	10	-3.2	-25.2	-59.5	0.2	55			,		1.89	3744340
2026-04-26 17:27:11	11	-4.7	-41.5	-56.5	0.3	92	10.4	14.5	0.25, 0.26	0.36	1.04	3744341
2026-04-26 17:30:11	12	-5.3	-48.2	-58.9	0.3	102			,		0.00	3744344
2026-04-26 17:33:11	13	-5.8	-48.3	-73.7	0.3	93			,		0.00	3744345
2026-04-26 17:36:11	14	-5.7	-51.6	-84.3	0.3	83			,		0.00	3744348
2026-04-26 17:39:11	15	-4.8	-43.9	-94.8	0.2	56			,		0.00	3744349
2026-04-26 17:42:11	16	-11.5	-89.3	-106.5	0.3	83			,		0.00	3744352
2026-04-26 17:45:11	17	-15.0	-119.5	-109.0	0.3	99			,		0.00	3744353